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About to release 1.3.2

This commit is contained in:
Werner Koch 2003-05-27 08:38:58 +00:00
parent 8388bc064b
commit 41bfaa5e51
9 changed files with 1770 additions and 1050 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2003-05-27 Werner Koch <wk@gnupg.org>
Released 1.3.2.
2003-05-26 David Shaw <dshaw@jabberwocky.com>
* NEWS: Document --gnupg and the deprecation of --no-openpgp and

2
NEWS
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@ -1,4 +1,4 @@
Noteworthy changes in version 1.3.2 (unreleased)
Noteworthy changes in version 1.3.2 (2003-05-27)
------------------------------------------------
* New "--gnupg" option (set by default) that disables --openpgp,

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checks/ChangeLog
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@ -1,3 +1,7 @@
2003-05-27 Werner Koch <wk@gnupg.org>
* Makefile.am (CLEANFILES): Add gpg.conf
2003-05-26 David Shaw <dshaw@jabberwocky.com>
* defs.inc (pgmname): Make sure there is a valid options

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checks/Makefile.am
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@ -1,4 +1,4 @@
# Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
# Copyright (C) 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
#
# This file is part of GnuPG.
#
@ -43,7 +43,7 @@ EXTRA_DIST = defs.inc $(TESTS) $(TEST_FILES) \
mkdemodirs signdemokey
CLEANFILES = prepared.stamp x y yy z out err $(DATA_FILES) \
plain-1 plain-2 plain-3 trustdb.gpg *.lock .\#lk* \
*.test.log gpg_dearmor \
*.test.log gpg_dearmor gpg.conf \
pubring.gpg secring.gpg pubring.pkr secring.skr
DISTCLEANFILES = pubring.gpg~ random_seed

2
configure.ac
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@ -25,7 +25,7 @@ AC_PREREQ(2.52)
# Remember to change the version number immediately *after* a release
# and remove the "-cvs" or "rc" suffix immediately *before* a release.
AC_INIT(gnupg, 1.3.2-cvs, bug-gnupg@gnu.org)
AC_INIT(gnupg, 1.3.2, bug-gnupg@gnu.org)
# Set development_version to yes if the minor number is odd or you
# feel that the default check for a development version is not
# sufficient.

2
doc/gpg.sgml
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@ -1266,7 +1266,7 @@ Same as --keyring but for the secret keyrings.
<varlistentry>
<term>--primary-keyring &ParmFile;</term>
<listitem<para>
<listitem><para>
Designate &ParmFile; as the primary public keyring. This means that
newly imported keys (via --import or keyserver --recv-from) will go to
this keyring.

592
doc/gpg.texi
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@ -18,7 +18,7 @@
@end menu
@majorheading Name
gpg ---- encryption and signing tool
gpg ---- encryption and signing tool</>
@majorheading Synopsis
@ -51,8 +51,9 @@ Make a detached signature.
Encrypt data. This option may be combined with ---sign.
@item -c, ---symmetric
Encrypt with symmetric cipher only.
This command asks for a passphrase.
Encrypt with a symmetric cipher using a passphrase. The default
symmetric cipher used is CAST5, but may be chosen with the
---cipher-algo option.
@item ---store
Store only (make a simple RFC1991 packet).
@ -104,8 +105,10 @@ List all keys from the public keyrings, or just the
ones given on the command line.
@item ---list-secret-keys @code{names}
List all keys from the secret keyrings, or just the
ones given on the command line.
List all keys from the secret keyrings, or just the ones given on the
command line. A '#' after the letters 'sec' means that the secret key
is not usable (for example, if it was created via
---export-secret-subkeys).
@item ---list-sigs @code{names}
Same as ---list-keys, but the signatures are listed too.
@ -163,11 +166,16 @@ Combines the functionality of nrsign and lsign to make a signature
that is both non-revocable and
non-exportable.
@item tsign
Make a trust signature. This is a signature that combines the notions
of certification (like a regular signature), and trust (like the
"trust" command). It is generally only useful in distinct communities
or groups.
@item revsig
Revoke a signature. GnuPG asks for every
signature which has been done by one of
the secret keys, whether a revocation
certificate should be generated.
Revoke a signature. For every signature which has been generated by
one of the secret keys, GnuPG asks whether a revocation certificate
should be generated.
@item trust
Change the owner trust value. This updates the
@ -175,18 +183,22 @@ trust-db immediately and no save is required.
@item disable
@itemx enable
Disable or enable an entire key. A disabled key can normally not be used
for encryption.
Disable or enable an entire key. A disabled key can not normally be
used for encryption.
@item adduid
Create an alternate user id.
@item addphoto
Create a photographic user id.
Create a photographic user id. This will prompt for a JPEG file that
will be embedded into the user ID.
@item deluid
Delete a user id.
@item revuid
Revoke a user id.
@item addkey
Add a subkey to this key.
@ -203,10 +215,9 @@ export-options).
Revoke a subkey.
@item expire
Change the key expiration time. If a key is
selected, the time of this key will be changed.
With no selection the key expiration of the
primary key is changed.
Change the key expiration time. If a subkey is selected, the
expiration time of this subkey will be changed. With no selection,
the key expiration of the primary key is changed.
@item passwd
Change the passphrase of the secret key.
@ -248,7 +259,7 @@ are not already included in the preference list.
Set the list of user ID preferences to @code{string}, this should be a
string similar to the one printed by "pref". Using an empty string
will set the default preference string, using "none" will set the
preferences to nil. Use "gpg -v ---version" to get a list of available
preferences to nil. Use "gpg ---version" to get a list of available
algorithms. This command just initializes an internal list and does
not change anything unless another command (such as "updpref") which
changes the self-signatures is used.
@ -337,7 +348,7 @@ a subkey or a signature, use the ---edit command.
@item ---desig-revoke
Generate a designated revocation certificate for a key. This allows a
user (with the permission of the keyholder) to revoke someone elses
user (with the permission of the keyholder) to revoke someone else's
key.
@item ---export @code{names}
@ -383,35 +394,42 @@ but does only the merging of new signatures, user-IDs and subkeys.
Import the keys with the given key IDs from a keyserver. Option
---keyserver must be used to give the name of this keyserver.
@item ---refresh-keys @code{key IDs}
Request updates from a keyserver for keys that already exist on the
local keyring. This is useful for updating a key with the latest
signatures, user IDs, etc. Option ---keyserver must be used to give
the name of this keyserver.
@item ---search-keys @code{names}
Search the keyserver for the given names. Multiple names given here
will be joined together to create the search string for the keyserver.
Option ---keyserver must be used to give the name of this keyserver.
@item ---update-trustdb
Do trust DB maintenance. This command goes over all keys and builds
the Web-of-Trust. This is an interactive command because it may has to
ask for the "ownertrust" values of keys. The user has to give an
estimation in how far she trusts the owner of the displayed key to
correctly certify (sign) other keys. It does only ask for that value
if it has not yet been assigned to a key. Using the edit menu, that
value can be changed at any time later.
Do trust database maintenance. This command iterates over all keys
and builds the Web-of-Trust. This is an interactive command because it
may have to ask for the "ownertrust" values for keys. The user has to
give an estimation of how far she trusts the owner of the displayed
key to correctly certify (sign) other keys. GnuPG only asks for the
ownertrust value if it has not yet been assigned to a key. Using the
---edit-key menu, the assigned value can be changed at any time.
@item ---check-trustdb
Do trust DB maintenance without user interaction. Form time to time
the trust database must be updated so that expired keys and resulting
changes in the Web-of-Trust can be tracked. GnuPG tries to figure
when this is required and then does it implicitly; this command can be
used to force such a check. The processing is identically to that of
---update-trustdb but it skips keys with a not yet defined "ownertrust".
Do trust database maintenance without user interaction. From time to
time the trust database must be updated so that expired keys or
signatures and the resulting changes in the Web-of-Trust can be
tracked. Normally, GnuPG will calculate when this is required and do
it automatically unless ---no-auto-check-trustdb is set. This command
can be used to force a trust database check at any time. The
processing is identical to that of ---update-trustdb but it skips keys
with a not yet defined "ownertrust".
For use with cron jobs, this command can be used together with ---batch
in which case the check is only done when it is due. To force a run
even in batch mode add the option ---yes.
in which case the trust database check is done only if a check is
needed. To force a run even in batch mode add the option ---yes.
@item ---export-ownertrust @code{file}
Store the ownertrust values into
@code{file} (or stdin if not given). This is useful for backup
@item ---export-ownertrust
Send the ownertrust values to stdout. This is useful for backup
purposes as these values are the only ones which can't be re-created
from a corrupted trust DB.
@ -420,6 +438,11 @@ Update the trustdb with the ownertrust values stored
in @code{files} (or stdin if not given); existing
values will be overwritten.
@item ---rebuild-keydb-caches
When updating from version 1.0.6 to 1.0.7 this command should be used
to create signature caches in the keyring. It might be handy in other
situations too.
@item ---print-md @code{algo} @code{files}
@itemx ---print-mds @code{files}
Print message digest of algorithm ALGO for all given files or stdin.
@ -443,8 +466,8 @@ of supported algorithms.
Print warranty information.
@item -h, ---help
Print usage information. This is a really long list even though it doesn't list
all options.
Print usage information. This is a really long list even though it
doesn't list all options. For every option, consult this manual.
@end table
@ -455,7 +478,8 @@ Long options can be put in an options file (default
not write the 2 dashes, but simply the name of the option and any
required arguments. Lines with a hash ('#') as the first
non-white-space character are ignored. Commands may be put in this
file too, but that does not make sense.
file too, but that is not generally useful as the command will execute
automatically with every execution of gpg.
@code{gpg} recognizes these options:
@ -466,6 +490,15 @@ Create ASCII armored output.
@item -o, ---output @code{file}
Write output to @code{file}.
@item ---mangle-dos-filenames
@itemx ---no-mangle-dos-filenames
The Windows version of GnuPG replaces the extension of an output
filename to avoid problems with filenames containing more than one
dot. This is not necessary for newer Windows versions and so
---no-mangle-dos-filenames can be used to switch this feature off and
have GnuPG append the new extension. This option has no effect on
non-Windows platforms.
@item -u, ---local-user @code{name}
Use @code{name} as the user ID to sign.
This option is silently ignored for the list commands,
@ -478,8 +511,17 @@ found in the secret keyring.
@item -r, ---recipient @code{name}
@itemx
Encrypt for user id @code{name}. If this option is not
specified, GnuPG asks for the user-id unless ---default-recipient is given
Encrypt for user id @code{name}. If this option or ---hidden-recipient
is not specified, GnuPG asks for the user-id unless
---default-recipient is given.
@item -R, ---hidden-recipient @code{name}
@itemx
Encrypt for user id @code{name}, but hide the keyid of the key. This
option hides the receiver of the message and is a countermeasure
against traffic analysis. If this option or ---recipient is not
specified, GnuPG asks for the user-id unless ---default-recipient is
given.
@item ---default-recipient @code{name}
Use @code{name} as default recipient if option ---recipient is not used and
@ -502,8 +544,16 @@ either by use of ---recipient or by the asked user id.
No trust checking is performed for these user ids and
even disabled keys can be used.
@item ---hidden-encrypt-to @code{name}
Same as ---hidden-recipient but this one is intended for use in the
options file and may be used with your own user-id as a hidden
"encrypt-to-self". These keys are only used when there are other
recipients given either by use of ---recipient or by the asked user id.
No trust checking is performed for these user ids and even disabled
keys can be used.
@item ---no-encrypt-to
Disable the use of all ---encrypt-to keys.
Disable the use of all ---encrypt-to and --hidden-encrypt-to keys.
@item -v, ---verbose
Give more information during processing. If used
@ -518,12 +568,12 @@ disables compression. Default is to use the default
compression level of zlib (normally 6).
@item -t, ---textmode
Use canonical text mode. If -t (but not
---textmode) is used together with armoring
and signing, this enables clearsigned messages.
This kludge is needed for PGP compatibility;
normally you would use ---sign or --clearsign
to selected the type of the signature.
@itemx ---no-textmode
Use canonical text mode. ---no-textmode disables this option. If -t
(but not ---textmode) is used together with armoring and signing, this
enables clearsigned messages. This kludge is needed for command-line
compatibility with command-line versions of PGP; normally you would
use ---sign or --clearsign to select the type of the signature.
@item -n, ---dry-run
Don't make any changes (this is not completely implemented).
@ -532,18 +582,15 @@ Don't make any changes (this is not completely implemented).
Prompt before overwriting any files.
@item ---batch
Use batch mode. Never ask, do not allow interactive
commands.
@itemx ---no-batch
Use batch mode. Never ask, do not allow interactive commands.
---no-batch disables this option.
@item ---no-tty
Make sure that the TTY (terminal) is never used for any output.
This option is needed in some cases because GnuPG sometimes prints
warnings to the TTY if ---batch is used.
@item ---no-batch
Disable batch mode. This may be of use if ---batch
is enabled from an options file.
@item ---yes
Assume "yes" on most questions.
@ -587,12 +634,28 @@ don't want to keep your secret keys (or one of them)
online but still want to be able to check the validity of a given
recipient's or signator's key.
@item ---trust-model @code{pgp|classic|always}
Set what trust model GnuPG should follow. The models are:
@table @asis
@item pgp
This is the web-of-trust combined with trust signatures as used in PGP
5.x and later. This is the default trust model.
@item classic
This is the standard web-of-trust as used in PGP 2.x and earlier.
@item always
Skip key validation and assume that used keys are always fully
trusted. You won't use this unless you have installed some external
validation scheme. This option also suppresses the "[uncertain]" tag
printed with signature checks when there is no evidence that the user
ID is bound to the key.
@end table
@item ---always-trust
Skip key validation and assume that used keys are always fully trusted.
You won't use this unless you have installed some external validation
scheme. This option also suppresses the "[uncertain]" tag printed
with signature checks when there is no evidence that the user ID
is bound to the key.
Identical to `---trust-model always'
@item ---keyserver @code{name}
Use @code{name} as your keyserver. This is the server that ---recv-keys,
@ -602,7 +665,8 @@ from, send keys to, and search for keys on. The format of the
the type of keyserver: "hkp" for the Horowitz (or compatible)
keyservers, "ldap" for the NAI LDAP keyserver, or "mailto" for the
Horowitz email keyserver. Note that your particular installation of
GnuPG may have other keyserver types available as well.
GnuPG may have other keyserver types available as well. Keyserver
schemes are case-insensitive.
Most keyservers synchronize with each other, so there is generally no
need to send keys to more than one server. Using the command "host -l
@ -621,21 +685,19 @@ keyserver types, some common options are:
@table @asis
@item include-revoked
When searching for a key, include keys that are marked on the
keyserver as revoked. Note that this option is always set when using
the NAI HKP keyserver, as this keyserver does not differentiate
between revoked and unrevoked keys. When using the LDAP keyserver,
this applies to both searching (---search-keys) and receiving
(---recv-keys).
When searching for a key with ---search-keys, include keys that are
marked on the keyserver as revoked. Note that this option is always
set when using the NAI HKP keyserver, as this keyserver does not
differentiate between revoked and unrevoked keys.
@item include-disabled
When receiving or searching for a key, include keys that are marked on
the keyserver as disabled. Note that this option is not used with HKP
keyservers, as they do not support disabling keys.
When searching for a key with ---search-keys, include keys that are
marked on the keyserver as disabled. Note that this option is not
used with HKP keyservers.
@item include-subkeys
When receiving a key, include subkeys in the search. Note that this
option is not used with HKP keyservers, as they do not support
When receiving a key, include subkeys as potential targets. Note that
this option is not used with HKP keyservers, as they do not support
retrieving keys by subkey id.
@item use-temp-files
@ -676,10 +738,11 @@ Allow importing key signatures marked as "local". This is not
generally useful unless a shared keyring scheme is being used.
Defaults to no.
@item repair-hkp-subkey-bug
During import, attempt to repair the HKP keyserver mangling multiple
subkeys bug. Note that this cannot completely repair the damaged key
as some crucial data is removed by the keyserver, but it does at least
@item repair-pks-subkey-bug
During import, attempt to repair the damage caused by the PKS
keyserver bug (pre version 0.9.6) that mangles keys with multiple
subkeys. Note that this cannot completely repair the damaged key as
some crucial data is removed by the keyserver, but it does at least
give you back one subkey. Defaults to no for regular ---import and to
yes for keyserver ---recv-keys.
@ -711,13 +774,11 @@ Include designated revoker information that was marked as
@end table
@item ---show-photos
@itemx ---no-show-photos
Causes ---list-keys, --list-sigs, --list-public-keys,
---list-secret-keys, and verifying a signature to also display the
photo ID attached to the key, if any.
See also ---photo-viewer.
@item ---no-show-photos
Resets the ---show-photos flag.
photo ID attached to the key, if any. See also ---photo-viewer.
---no-show-photos disables this option.
@item ---photo-viewer @code{string}
This is the command line that should be run to view a photo ID. "%i"
@ -745,12 +806,11 @@ useful when you're listing a specific key or set of keys. It has no
effect when listing all keys.
@item ---keyring @code{file}
Add @code{file} to the list of keyrings.
If @code{file} begins with a tilde and a slash, these
are replaced by the HOME directory. If the filename
does not contain a slash, it is assumed to be in the
home-directory ("~/.gnupg" if ---homedir is not used).
The filename may be prefixed with a scheme:
Add @code{file} to the list of keyrings. If @code{file} begins with a
tilde and a slash, these are replaced by the HOME directory. If the
filename does not contain a slash, it is assumed to be in the GnuPG
home directory ("~/.gnupg" if ---homedir is not used). The filename
may be prefixed with a scheme:
"gnupg-ring:" is the default one.
@ -759,6 +819,17 @@ It might make sense to use it together with ---no-default-keyring.
@item ---secret-keyring @code{file}
Same as ---keyring but for the secret keyrings.
@item ---primary-keyring @code{file}
Designate @code{file} as the primary public keyring. This means that
newly imported keys (via ---import or keyserver --recv-from) will go to
this keyring.
@item ---trustdb-name @code{file}
Use @code{file} instead of the default trustdb. If @code{file} begins
with a tilde and a slash, these are replaced by the HOME directory. If
the filename does not contain a slash, it is assumed to be in the
GnuPG home directory ("~/.gnupg" if ---homedir is not used).
@item ---homedir @code{directory}
Set the name of the home directory to @code{directory} If this
option is not used it defaults to "~/.gnupg". It does
@ -812,10 +883,10 @@ Using this option will also prevent the creation of a
"~./gnupg" homedir.
@item ---load-extension @code{name}
Load an extension module. If @code{name} does not
contain a slash it is searched in "/usr/local/lib/gnupg"
Extension are in gernal not useful anymore; the use of this
option is deprecated.
Load an extension module. If @code{name} does not contain a slash it is
searched for in the directory configured when GnuPG was built
(generally "/usr/local/lib/gnupg"). Extensions are not generally
useful anymore, and the use of this option is deprecated.
@item ---debug @code{flags}
Set debugging flags. All flags are or-ed and @code{flags} may
@ -824,6 +895,11 @@ be given in C syntax (e.g. 0x0042).
@item ---debug-all
Set all useful debugging flags.
@item ---enable-progress-filter
Enable certain PROGRESS status outputs. This option allows frontends
to display a progress indicator while gpg is processing larger files.
There is a slight performance overhead using it.
@item ---status-fd @code{n}
Write special status strings to the file descriptor @code{n}.
See the file DETAILS in the documentation for a listing of them.
@ -838,20 +914,20 @@ needed to separate out the various subpackets from the stream
delivered to the file descriptor.
@item ---sk-comments
@itemx ---no-sk-comments
Include secret key comment packets when exporting secret keys. This
is a GnuPG extension to the OpenPGP standard, and is off by default.
Please note that this has nothing to do with the comments in clear
text signatures or armor headers.
@item ---no-sk-comments
Resets the ---sk-comments option.
text signatures or armor headers. ---no-sk-comments disables this
option.
@item ---no-comment
See ---sk-comments. This option is deprecated and may be removed soon.
See ---no-sk-comments. This option is deprecated and may be removed
soon.
@item ---comment @code{string}
Use @code{string} as comment string in clear text signatures.
The default is not do write a comment string.
Use @code{string} as the comment string in clear text signatures. The
default behavior is not to use a comment string.
@item ---default-comment
Force to write the standard comment string in clear
@ -859,55 +935,69 @@ text signatures. Use this to overwrite a ---comment
from a config file. This option is now obsolete because there is no
default comment string anymore.
@item ---no-version
Omit the version string in clear text signatures.
@item ---emit-version
Force to write the version string in clear text
signatures. Use this to overwrite a previous
---no-version from a config file.
@itemx ---no-emit-version
Force inclusion of the version string in ASCII armored output.
---no-emit-version disables this option.
@item -N, ---notation-data @code{name=value}
@item ---sig-notation @code{name=value}
@itemx ---cert-notation @code{name=value}
@itemx -N, ---notation-data @code{name=value}
Put the name value pair into the signature as notation data.
@code{name} must consist only of alphanumeric characters, digits
or the underscore; the first character must not be a digit.
@code{value} may be any printable string; it will be encoded in UTF8,
so you should check that your ---charset is set correctly.
If you prefix @code{name} with an exclamation mark, the notation
data will be flagged as critical (rfc2440:5.2.3.15).
@code{name} must consist only of printable characters or spaces, and
must contain a '@@' character. This is to help prevent pollution of
the IETF reserved notation namespace. The ---expert flag overrides the
'@@' check. @code{value} may be any printable string; it will be
encoded in UTF8, so you should check that your ---charset is set
correctly. If you prefix @code{name} with an exclamation mark, the
notation data will be flagged as critical (rfc2440:5.2.3.15).
---sig-notation sets a notation for data signatures. --cert-notation
sets a notation for key signatures (certifications). ---notation-data
sets both.
There are special codes that may be used in notation names. "%k" will
be expanded into the key ID of the key being signed, "%K" for the long
key ID of the key being signed, "%f" for the key fingerprint of the
key being signed, "%s" for the key ID of the key making the signature,
"%S" for the long key ID of the key making the signature, and "%%"
results in a single "%". %k, %K, and %f are only meaningful when
making a key signature (certification).
@item ---show-notation
Show key signature notations in the ---list-sigs or --check-sigs
listings.
@itemx ---no-show-notation
Show signature notations in the ---list-sigs or --check-sigs listings
as well as when verifying a signature with a notation in it.
---no-show-notation disables this option.
@item ---no-show-notation
Do not show key signature notations in the ---list-sigs or --check-sigs
listings.
@item ---sig-policy-url @code{string}
@itemx ---cert-policy-url @code{string}
@itemx ---set-policy-url @code{string}
Use @code{string} as Policy URL for signatures (rfc2440:5.2.3.19). If
you prefix it with an exclamation mark, the policy URL packet will be
flagged as critical. ---sig-policy-url sets a a policy url for data
signatures. ---cert-policy-url sets a policy url for key signatures
(certifications). ---set-policy-url sets both.
@item ---set-policy-url @code{string}
Use @code{string} as Policy URL for signatures (rfc2440:5.2.3.19).
If you prefix it with an exclamation mark, the policy URL
packet will be flagged as critical.
The same %-expandos used for notation data are available here as well.
@item ---show-policy-url
Show any policy URLs set in the ---list-sigs or --check-sigs listings.
@item ---no-show-policy-url
Do not show any policy URLs set in the ---list-sigs or --check-sigs
listings.
@itemx ---no-show-policy-url
Show policy URLs in the ---list-sigs or --check-sigs listings as well
as when verifying a signature with a policy URL in it.
---no-show-policy-url disables this option.
@item ---set-filename @code{string}
Use @code{string} as the name of file which is stored in
messages.
Use @code{string} as the filename which is stored inside messages.
This overrides the default, which is to use the actual filename of the
file being encrypted.
@item ---for-your-eyes-only
@itemx ---no-for-your-eyes-only
Set the `for your eyes only' flag in the message. This causes GnuPG
to refuse to save the file unless the ---output option is given, and
PGP to use the "secure viewer" with a Tempest-resistant font to
display the message. This option overrides ---set-filename.
@item ---no-for-your-eyes-only
Resets the ---for-your-eyes-only flag.
---no-for-your-eyes-only disables this option.
@item ---use-embedded-filename
Try to create a file with a name as embedded in the data.
@ -934,6 +1024,16 @@ selected from the preferences stored with the key.
Use @code{name} as the message digest algorithm. Running the program
with the command ---version yields a list of supported algorithms.
@item ---compress-algo @code{name}
Use compression algorithm @code{name}. "zlib" is RFC1950 ZLIB
compression. "zip" is RFC-1951 ZIP compression which is used by PGP.
"uncompressed" or "none" disables compression. If this option is not
used, the default behavior is to examine the recipient key preferences
to see which algorithms the recipient supports. If all else fails,
ZIP is used for maximum compatibility. Note, however, that ZLIB may
give better compression results if that is more important, as the
compression window size is not limited to 8k.
@item ---cert-digest-algo @code{name}
Use @code{name} as the message digest algorithm used when signing a
key. Running the program with the command ---version yields a list of
@ -945,21 +1045,19 @@ possibly your entire key.
@item ---s2k-cipher-algo @code{name}
Use @code{name} as the cipher algorithm used to protect secret keys.
The default cipher is CAST5. This cipher is also used for
conventional encryption if ---cipher-algo is not given.
conventional encryption if ---personal-cipher-preferences and
---cipher-algo is not given.
@item ---s2k-digest-algo @code{name}
Use @code{name} as the digest algorithm used to mangle the
passphrases. The default algorithm is RIPE-MD-160.
This digest algorithm is also used for conventional
encryption if ---digest-algo is not given.
Use @code{name} as the digest algorithm used to mangle the passphrases.
The default algorithm is SHA-1.
@item ---s2k-mode @code{n}
Selects how passphrases are mangled. If @code{n} is 0
a plain passphrase (which is not recommended) will be used,
a 1 (default) adds a salt to the passphrase and
a 3 iterates the whole process a couple of times.
Unless ---rfc1991 is used, this mode is also used
for conventional encryption.
Selects how passphrases are mangled. If @code{n} is 0 a plain
passphrase (which is not recommended) will be used, a 1 adds a salt to
the passphrase and a 3 (the default) iterates the whole process a
couple of times. Unless ---rfc1991 is used, this mode is also used for
conventional encryption.
@item ---simple-sk-checksum
Secret keys are integrity protected by using a SHA-1 checksum. This
@ -972,15 +1070,6 @@ when the secret key is encrypted - the simplest way to make this
happen is to change the passphrase on the key (even changing it to the
same value is acceptable).
@item ---compress-algo @code{n}
Use compression algorithm @code{n}. Default is 2 which is RFC1950
compression. You may use 1 to use the old zlib version (RFC1951) which
is used by PGP. 0 disables compression. The default algorithm may give
better results because the window size is not limited to 8K. If this
is not used the OpenPGP behavior is used, i.e. the compression
algorithm is selected from the preferences; note, that this can't be
done if you do not encrypt the data.
@item ---disable-cipher-algo @code{name}
Never allow the use of @code{name} as cipher algorithm.
The given name will not be checked so that a later loaded algorithm
@ -1008,18 +1097,20 @@ However, due to the fact that the signature creation needs manual
interaction, this performance penalty does not matter in most settings.
@item ---auto-check-trustdb
@itemx ---no-auto-check-trustdb
If GnuPG feels that its information about the Web-of-Trust has to be
updated, it automatically runs the ---check-trustdb command
internally. This may be a time consuming process.
@item ---no-auto-check-trustdb
Resets the ---auto-check-trustdb option.
updated, it automatically runs the ---check-trustdb command internally.
This may be a time consuming process. ---no-auto-check-trustdb
disables this option.
@item ---throw-keyid
Do not put the keyid into encrypted packets. This option
hides the receiver of the message and is a countermeasure
against traffic analysis. It may slow down the decryption
process because all available secret keys are tried.
Do not put the keyids into encrypted packets. This option hides the
receiver of the message and is a countermeasure against traffic
analysis. It may slow down the decryption process because all
available secret keys are tried.
@item ---no-throw-keyid
Resets the ---throw-keyid option.
@item ---not-dash-escaped
This option changes the behavior of cleartext signatures
@ -1031,11 +1122,12 @@ line, patch files don't have this. A special armor header
line tells GnuPG about this cleartext signature option.
@item ---escape-from-lines
Because some mailers change lines starting with "From "
to "<From " it is good to handle such lines in a special
way when creating cleartext signatures. All other PGP
versions do it this way too. This option is not enabled
by default because it would violate rfc2440.
@itemx ---no-escape-from-lines
Because some mailers change lines starting with "From " to ">From
" it is good to handle such lines in a special way when creating
cleartext signatures to prevent the mail system from breaking the
signature. Note that all other PGP versions do it this way too.
Enabled by default. ---no-escape-from-lines disables this option.
@item ---passphrase-fd @code{n}
Read the passphrase from file descriptor @code{n}. If you use
@ -1051,16 +1143,40 @@ together with ---status-fd. See the file doc/DETAILS in the source
distribution for details on how to use it.
@item ---use-agent
@itemx ---no-use-agent
Try to use the GnuPG-Agent. Please note that this agent is still under
development. With this option, GnuPG first tries to connect to the
agent before it asks for a passphrase.
agent before it asks for a passphrase. ---no-use-agent disables this
option.
@item ---gpg-agent-info
Override the value of the environment variable
@samp{GPG_AGENT_INFO}. This is only used when ---use-agent has been given
@item Compliance options
These options control what GnuPG is compliant to. Only one of these
options may be active at a time. Note that the default setting of
this is nearly always the correct one. See the INTEROPERABILITY WITH
OTHER OPENPGP PROGRAMS section below before using one of these
options.
@table @asis
@item ---gnupg
Use standard GnuPG behavior. This is essentially OpenPGP behavior
(see ---openpgp), but with some additional workarounds for common
compatibility problems in different versions of PGP. This is the
default option, so it is not generally needed, but it may be useful to
override a different compliance option in the gpg.conf file.
@item ---openpgp
Reset all packet, cipher and digest options to strict OpenPGP
behavior. Use this option to reset all previous options like
---rfc1991, --force-v3-sigs, --s2k-*, --cipher-algo, --digest-algo and
---compress-algo to OpenPGP compliant values. All PGP workarounds are
disabled.
@item ---rfc1991
Try to be more RFC1991 (PGP 2.x) compliant.
Try to be more RFC-1991 (PGP 2.x) compliant.
@item ---pgp2
Set up all options to be as PGP 2.x compliant as possible, and warn if
@ -1069,27 +1185,22 @@ a message that PGP 2.x will not be able to handle. Note that `PGP
2.x' here means `MIT PGP 2.6.2'. There are other versions of PGP 2.x
available, but the MIT release is a good common baseline.
This option implies `---rfc1991 --no-openpgp --disable-mdc
---no-force-v4-certs --no-comment --escape-from-lines --force-v3-sigs
This option implies `---rfc1991 --disable-mdc --no-force-v4-certs
---no-sk-comment --escape-from-lines --force-v3-sigs
---no-ask-sig-expire --no-ask-cert-expire --cipher-algo IDEA
---digest-algo MD5 --compress-algo 1'
@item ---no-pgp2
Resets the ---pgp2 option.
---digest-algo MD5 --compress-algo 1'. It also disables --textmode
when encrypting.
@item ---pgp6
Set up all options to be as PGP 6 compliant as possible. This
restricts you to the ciphers IDEA (if the IDEA plugin is installed),
3DES, and CAST5, the hashes MD5, SHA1 and RIPEMD160, and the
compression algorithms none and ZIP. This also disables making
signatures with signing subkeys as PGP 6 does not understand
signatures made by signing subkeys.
compression algorithms none and ZIP. This also disables
---throw-keyid, and making signatures with signing subkeys as PGP 6
does not understand signatures made by signing subkeys.
This option implies `---disable-mdc --no-comment --escape-from-lines
---force-v3-sigs --no-ask-sig-expire --compress-algo 1'
@item ---no-pgp6
Resets the ---pgp6 option.
This option implies `---disable-mdc --no-sk-comment --escape-from-lines
---force-v3-sigs --no-ask-sig-expire'
@item ---pgp7
Set up all options to be as PGP 7 compliant as possible. This is
@ -1097,45 +1208,46 @@ identical to ---pgp6 except that MDCs are not disabled, and the list of
allowable ciphers is expanded to add AES128, AES192, AES256, and
TWOFISH.
@item ---no-pgp7
Resets the ---pgp7 option.
@item ---pgp8
Set up all options to be as PGP 8 compliant as possible. PGP 8 is a
lot closer to the OpenPGP standard than previous versions of PGP, so
all this does is disable ---throw-keyid and set --escape-from-lines.
The allowed algorithms list is the same as ---pgp7 with the addition of
the SHA-256 digest algorithm.
@item ---openpgp
Reset all packet, cipher and digest options to OpenPGP behavior. Use
this option to reset all previous options like ---rfc1991,
---force-v3-sigs, --s2k-*, --cipher-algo, --digest-algo and
---compress-algo to OpenPGP compliant values. All PGP workarounds are
also disabled.
@end table
@item ---force-v3-sigs
@itemx ---no-force-v3-sigs
OpenPGP states that an implementation should generate v4 signatures
but PGP versions 5 and higher only recognize v4 signatures on key
material. This option forces v3 signatures for signatures on data.
Note that this option overrides ---ask-sig-expire, as v3 signatures
cannot have expiration dates.
@item ---no-force-v3-sigs
Reset the ---force-v3-sigs option.
cannot have expiration dates. ---no-force-v3-sigs disables this
option.
@item ---force-v4-certs
@itemx ---no-force-v4-certs
Always use v4 key signatures even on v3 keys. This option also
changes the default hash algorithm for v3 RSA keys from MD5 to SHA-1.
@item ---no-force-v4-certs
Reset the ---force-v4-certs option.
---no-force-v4-certs disables this option.
@item ---force-mdc
Force the use of encryption with appended manipulation code. This is
always used with the newer ciphers (those with a blocksize greater
than 64 bit).
Force the use of encryption with a modification detection code. This
is always used with the newer ciphers (those with a blocksize greater
than 64 bits), or if all of the recipient keys indicate MDC support in
their feature flags.
@item ---disable-mdc
Disable the use of the modification detection code. Note that by
using this option, the encrypted message becomes vulnerable to a
message modification attack.
@item ---allow-non-selfsigned-uid
@itemx ---no-allow-non-selfsigned-uid
Allow the import and use of keys with user IDs which are not
self-signed. This is not recommended, as a non self-signed user ID is
trivial to forge.
@item ---no-allow-non-selfsigned-uid
Reset the ---allow-non-selfsigned-uid option.
trivial to forge. ---no-allow-non-selfsigned-uid disables.
@item ---allow-freeform-uid
Disable all checks on the form of the user ID while generating a new
@ -1195,14 +1307,17 @@ slower random generation.
Reset verbose level to 0.
@item ---no-greeting
Suppress the initial copyright message but do not
enter batch mode.
Suppress the initial copyright message.
@item ---no-secmem-warning
Suppress the warning about "using insecure memory".
@item ---no-permission-warning
Suppress the warning about unsafe file permissions.
Suppress the warning about unsafe file permissions. Note that the
file permission checks that GnuPG performs are not intended to be
authoritative, rather they simply warn about certain common permission
problems. Do not assume that the lack of a warning means that your
system is secure.
@item ---no-mdc-warning
Suppress the warning about missing MDC integrity protection.
@ -1238,8 +1353,8 @@ can get a faster listing. The exact behaviour of this option may change
in future versions.
@item ---fixed-list-mode
Do not merge user ID and primary key in ---with-colon listing mode and
print all timestamps as seconds since 1970-01-01.
Do not merge primary user ID and primary key in ---with-colon listing
mode and print all timestamps as seconds since 1970-01-01.
@item ---list-only
Changes the behaviour of some commands. This is like ---dry-run but
@ -1276,30 +1391,26 @@ content of an encrypted message; using this option you can do this without
handing out the secret key.
@item ---ask-sig-expire
@itemx ---no-ask-sig-expire
When making a data signature, prompt for an expiration time. If this
option is not specified, the expiration time is "never".
@item ---no-ask-sig-expire
Resets the ---ask-sig-expire option.
---no-ask-sig-expire disables this option.
@item ---ask-cert-expire
@itemx ---no-ask-cert-expire
When making a key signature, prompt for an expiration time. If this
option is not specified, the expiration time is "never".
@item ---no-ask-cert-expire
Resets the ---ask-cert-expire option.
---no-ask-cert-expire disables this option.
@item ---expert
@itemx ---no-expert
Allow the user to do certain nonsensical or "silly" things like
signing an expired or revoked key, or certain potentially incompatible
things like generating deprecated key types. This also disables
certain warning messages about potentially incompatible actions. As
the name implies, this option is for experts only. If you don't fully
understand the implications of what it allows you to do, leave this
off.
@item ---no-expert
Resets the ---expert option.
off. ---no-expert disables this option.
@item ---merge-only
Don't insert new keys into the keyrings while doing an import.
@ -1323,12 +1434,16 @@ Experimental use only.
@item ---group @code{name=value1 value2 value3 ...}
Sets up a named group, which is similar to aliases in email programs.
Any time the group name is a receipient (-r or ---recipient), it will
Any time the group name is a recipient (-r or ---recipient), it will
be expanded to the values specified.
The values are @code{key IDs} or fingerprints, but any key description
is accepted. Note that a value with spaces in it will be treated as
two different values. Note also there is only one level of expansion
- you cannot make an group that points to another group.
- you cannot make an group that points to another group. When used
from the command line, it may be necessary to quote the argument to
this option to prevent the shell from treating it as multiple
arguments.
@item ---preserve-permissions
Don't change the permissions of a secret keyring back to user
@ -1339,19 +1454,24 @@ Set the list of personal cipher preferences to @code{string}, this list
should be a string similar to the one printed by the command "pref" in
the edit menu. This allows the user to factor in their own preferred
algorithms when algorithms are chosen via recipient key preferences.
The most highly ranked cipher in this list is also used for the
---symmetric encryption command.
@item ---personal-digest-preferences @code{string}
Set the list of personal digest preferences to @code{string}, this list
should be a string similar to the one printed by the command "pref" in
the edit menu. This allows the user to factor in their own preferred
algorithms when algorithms are chosen via recipient key preferences.
The most highly ranked digest algorithm in this list is algo used when
signing without encryption (e.g. ---clearsign or --sign).
@item ---personal-compress-preferences @code{string}
Set the list of personal compression preferences to @code{string}, this
list should be a string similar to the one printed by the command
"pref" in the edit menu. This allows the user to factor in their own
preferred algorithms when algorithms are chosen via recipient key
preferences.
preferences. The most highly ranked algorithm in this list is also
used when there are no recipient keys to consider (e.g. ---symmetric).
@item ---default-preference-list @code{string}
Set the list of default preferences to @code{string}, this list should
@ -1362,8 +1482,8 @@ menu.
@end table
@majorheading How to specify a user ID
There are different ways on how to specify a user ID to GnuPG;
here are some examples:
There are different ways to specify a user ID to GnuPG; here are some
examples:
@table @asis
@item
@ -1460,7 +1580,7 @@ The first is the path to the Unix Domain Socket, the second the PID of
the gpg-agent and the protocol version which should be set to 1. When
starting the gpg-agent as described in its documentation, this
variable is set to the correct value. The option ---gpg-agent-info can
be used to overide it.
be used to override it.
@item http_proxy
Only honored when the keyserver-option
@ -1518,7 +1638,33 @@ is *very* easy to spy out your passphrase!
If you are going to verify detached signatures, make sure that the
program knows about it; either be giving both filenames on the
commandline or using @samp{-} to specify stdin.
command line or using @samp{-} to specify stdin.
@majorheading INTEROPERABILITY WITH OTHER OPENPGP PROGRAMS
GnuPG tries to be a very flexible implementation of the OpenPGP
standard. In particular, GnuPG implements many of the "optional"
parts of the standard, such as the RIPEMD/160 hash, and the ZLIB
compression algorithms. It is important to be aware that not all
OpenPGP programs implement these optional algorithms and that by
forcing their use via the ---cipher-algo, --digest-algo,
---cert-digest-algo, or --compress-algo options in GnuPG, it is
possible to create a perfectly valid OpenPGP message, but one that
cannot be read by the intended recipient.
For example, as of this writing, no version of official PGP supports
the BLOWFISH cipher algorithm. If you use it, no PGP user will be
able to decrypt your message. The same thing applies to the ZLIB
compression algorithm. By default, GnuPG uses the OpenPGP preferences
system that will always do the right thing and create messages that
are usable by all recipients, regardless of which OpenPGP program they
use. Only override this safe default if you know what you are doing.
If you absolutely must override the safe default, or if the
preferences on a given key are invalid for some reason, you are far
better off using the ---pgp2, --pgp6, --pgp7, or --pgp8 options. These
options are safe as they do not force any particular algorithms in
violation of OpenPGP, but rather reduce the available algorithms to a
"PGP-safe" list.
@majorheading BUGS
On many systems this program should be installed as setuid(root). This

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@ -18,7 +18,7 @@
@end menu
@majorheading Name
gpgv ---- signature verification tool
gpgv ---- signature verification tool</>
@majorheading Synopsis

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